Note, for example, the “Top Stories” section, and the most conversate-ed sections, with the color coding and width displaying statistical significance:

Their feeds or page transitions are really slick too, going from side-to-side. I also like the simple, flat spartan lines.
Whether or not you like the design, you can tell that there is planning and conscious design at work:

I have no idea how good their reviews are. I seriously don’t like how the entire page needs to reload on a top menu item click. But It was a pleasant surprise to come across a neat, tidy little design in an industry (medical) where design is usually an after thought.